Dec 14 09:50:32.312 INFO testing Hand-of-Cthulhu/quiz_file_creator against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 09:50:32.312 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 09:50:32.665 INFO [stdout] 95880ce1dbf739b96ce0dec68c6e920873c356b92beb75866fa6eca36108a74b
Dec 14 09:50:32.670 INFO running `"docker" "start" "-a" "95880ce1dbf739b96ce0dec68c6e920873c356b92beb75866fa6eca36108a74b"`
Dec 14 09:50:33.536 INFO [stderr] usermod: no changes
Dec 14 09:50:33.647 INFO [stderr]    Compiling nix v0.5.1
Dec 14 09:50:38.239 INFO [stderr]    Compiling rustyline v1.0.0
Dec 14 09:50:40.771 INFO [stderr]    Compiling quiz_file_creator v0.1.0 (/source)
Dec 14 09:50:42.168 INFO [stderr] warning: unused import: `regex::Regex`
Dec 14 09:50:42.168 INFO [stderr]  --> src/main.rs:6:5
Dec 14 09:50:42.168 INFO [stderr]   |
Dec 14 09:50:42.168 INFO [stderr] 6 | use regex::Regex;
Dec 14 09:50:42.168 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 14 09:50:42.168 INFO [stderr]   |
Dec 14 09:50:42.168 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 09:50:42.168 INFO [stderr] 
Dec 14 09:50:42.168 INFO [stderr] warning: unused import: `std::io`
Dec 14 09:50:42.168 INFO [stderr]  --> src/main.rs:9:5
Dec 14 09:50:42.168 INFO [stderr]   |
Dec 14 09:50:42.168 INFO [stderr] 9 | use std::io;
Dec 14 09:50:42.168 INFO [stderr]   |     ^^^^^^^
Dec 14 09:50:42.168 INFO [stderr] 
Dec 14 09:50:42.422 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 09:50:42.422 INFO [stderr]   --> src/main.rs:61:5
Dec 14 09:50:42.422 INFO [stderr]    |
Dec 14 09:50:42.422 INFO [stderr] 61 |     fs::copy(&file_path, file_path.as_ref().to_str().unwrap().to_owned() + ".bak");//.expect("File backup failed");
Dec 14 09:50:42.422 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 09:50:42.422 INFO [stderr]    |
Dec 14 09:50:42.422 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 14 09:50:42.423 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 09:50:42.423 INFO [stderr] 
Dec 14 09:50:44.607 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.02s
Dec 14 09:50:44.608 INFO [stderr] su: No module specific data is present
Dec 14 09:50:45.171 INFO running `"docker" "inspect" "95880ce1dbf739b96ce0dec68c6e920873c356b92beb75866fa6eca36108a74b"`
Dec 14 09:50:45.544 INFO running `"docker" "rm" "-f" "95880ce1dbf739b96ce0dec68c6e920873c356b92beb75866fa6eca36108a74b"`
Dec 14 09:50:45.906 INFO [stdout] 95880ce1dbf739b96ce0dec68c6e920873c356b92beb75866fa6eca36108a74b
Dec 14 09:50:45.911 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 09:50:46.292 INFO [stdout] 5e5925e2f9dea9f9e8496588b837b6bc27594fbb4d8edf06f7754ec3980370eb
Dec 14 09:50:46.296 INFO running `"docker" "start" "-a" "5e5925e2f9dea9f9e8496588b837b6bc27594fbb4d8edf06f7754ec3980370eb"`
Dec 14 09:50:47.867 INFO [stderr] usermod: no changes
Dec 14 09:50:48.003 INFO [stderr]    Compiling quiz_file_creator v0.1.0 (/source)
Dec 14 09:50:49.139 INFO [stderr] warning: unused import: `regex::Regex`
Dec 14 09:50:49.139 INFO [stderr]  --> src/main.rs:6:5
Dec 14 09:50:49.139 INFO [stderr]   |
Dec 14 09:50:49.139 INFO [stderr] 6 | use regex::Regex;
Dec 14 09:50:49.139 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 14 09:50:49.139 INFO [stderr]   |
Dec 14 09:50:49.139 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 09:50:49.139 INFO [stderr] 
Dec 14 09:50:49.139 INFO [stderr] warning: unused import: `std::io`
Dec 14 09:50:49.139 INFO [stderr]  --> src/main.rs:9:5
Dec 14 09:50:49.139 INFO [stderr]   |
Dec 14 09:50:49.139 INFO [stderr] 9 | use std::io;
Dec 14 09:50:49.139 INFO [stderr]   |     ^^^^^^^
Dec 14 09:50:49.139 INFO [stderr] 
Dec 14 09:50:49.359 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 09:50:49.359 INFO [stderr]   --> src/main.rs:61:5
Dec 14 09:50:49.359 INFO [stderr]    |
Dec 14 09:50:49.359 INFO [stderr] 61 |     fs::copy(&file_path, file_path.as_ref().to_str().unwrap().to_owned() + ".bak");//.expect("File backup failed");
Dec 14 09:50:49.359 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 09:50:49.359 INFO [stderr]    |
Dec 14 09:50:49.359 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 14 09:50:49.359 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 09:50:49.359 INFO [stderr] 
Dec 14 09:50:49.664 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.77s
Dec 14 09:50:49.668 INFO [stderr] su: No module specific data is present
Dec 14 09:50:50.686 INFO running `"docker" "inspect" "5e5925e2f9dea9f9e8496588b837b6bc27594fbb4d8edf06f7754ec3980370eb"`
Dec 14 09:50:50.995 INFO running `"docker" "rm" "-f" "5e5925e2f9dea9f9e8496588b837b6bc27594fbb4d8edf06f7754ec3980370eb"`
Dec 14 09:50:51.306 INFO [stdout] 5e5925e2f9dea9f9e8496588b837b6bc27594fbb4d8edf06f7754ec3980370eb
Dec 14 09:50:51.310 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 09:50:51.688 INFO [stdout] fa3b46785b180a3c519956663db81f1f9c010597ea0d27067a0b957bc7d4109d
Dec 14 09:50:51.697 INFO running `"docker" "start" "-a" "fa3b46785b180a3c519956663db81f1f9c010597ea0d27067a0b957bc7d4109d"`
Dec 14 09:50:52.630 INFO [stderr] usermod: no changes
Dec 14 09:50:52.691 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
Dec 14 09:50:52.703 INFO [stderr]      Running /target/debug/deps/quiz_file_creator-b375f9d0858db7a8
Dec 14 09:50:52.712 INFO [stdout] 
Dec 14 09:50:52.712 INFO [stdout] running 0 tests
Dec 14 09:50:52.712 INFO [stdout] 
Dec 14 09:50:52.712 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 09:50:52.712 INFO [stdout] 
Dec 14 09:50:52.717 INFO [stderr] su: No module specific data is present
Dec 14 09:50:53.072 INFO running `"docker" "inspect" "fa3b46785b180a3c519956663db81f1f9c010597ea0d27067a0b957bc7d4109d"`
Dec 14 09:50:53.229 INFO running `"docker" "rm" "-f" "fa3b46785b180a3c519956663db81f1f9c010597ea0d27067a0b957bc7d4109d"`
Dec 14 09:50:53.457 INFO [stdout] fa3b46785b180a3c519956663db81f1f9c010597ea0d27067a0b957bc7d4109d